An Australian senator has apologised for smearing his own blood on a fellow lawmaker's door after an altercation in the halls of parliament.
Senator Brian Burston was involved in the scuffle with James Ashby, an aide to Senator Pauline Hanson on Wednesday.
Mr Burston told The Senate he wasn't aware he had wiped blood on Ms Hanson's door but conceded he had, The BBC reports.
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The incident has been referred to police and Mr Ashby has been banned from parliament and stripped of his parliamentary pass.
The tussle follows allegations of sexual assault from both senators.
Mr Burston, a first-term senator, and Ms Hanson have been locked in a bitter battle after she alleged he sexually harassed a former staffer, prompting him to accuse the anti-Islam One Nation party leader of making unwelcome advances towards him.
He left the One Nation party last year and later joined the United Australia Party.